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Carat Hunter · Where to buy diamonds

Where to buy a 1ct lab-grown marquise diamond

Every retailer in our index stocking this size and shape, 75 of them, across 184,736 current listings.

Updated November 7, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

184,736

Retailers carrying

75

Median confirmed price

HK$2,273

Grade combinations

41

Certificate mix:IGI 177,236 · GCAL 858 · GIA 651 · HRD 23

What it actually costs

Half of these diamonds are listed between HK$1,599 and HK$3,758 (as of November 7, 2026).

Lower 10% HK$1,442Median HK$2,273Upper 10% HK$5,949

Middle half listed between HK$1,599 to HK$3,758

Certificated stones with a recently confirmed price only, 15,735 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

As of November 7, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 21% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  2. 2Rare Carat10,167 in stock
    United States·Founded 2016·GCAL, GIA, IGI·30-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  3. 3Carbon Sparkle9,745 in stock
    United States·GCAL, GIA, IGI·21-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  4. 4NZ Jewellers9,301 in stock
    New Zealand·Founded 2006·GCAL, GIA, IGI·30-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  7. 7Aurelinne8,234 in stock
    United States·Founded 2021·GCAL, GIA, IGI·Ships to Hong Kong
    Terms not yet verified
    Visit Aurelinne
  8. 8

    The Perfect Carat

    8,127 in stock
    US·GCAL, GIA, IGI
    Terms not yet verified
  10. 10Adiamor6,898 in stock
    United States·Founded 1999·GCAL, GIA, IGI
    Terms not yet verified
    Visit Adiamor
Show 65 more retailers
  3. 13B2C Jewels6,029 in stock
    United States·Founded 2004·GCAL, GIA, IGI·30-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  8. 18Yorxs4,666 in stock
    Germany·Founded 2011·GIA, IGI
    Terms not yet verified
    Visit Yorxs
  10. 20Cape Diamonds4,564 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  12. 22

    Luvansh

    4,243 in stock
    US
    Terms not yet verified
  14. 24

    Steven Stone

    3,027 in stock
    UK·GCAL, GIA, IGI
    Terms not yet verified
  22. 32GemsNY1,809 in stock
    United States·Founded 1988·GCAL, GIA, IGI·Ships to Hong Kong
    Terms not yet verified
    Visit GemsNY
  26. 36

    GemTrove

    1,566 in stock
    AU·GCAL, GIA, IGI
    Terms not yet verified
  27. 37

    deBebians

    1,332 in stock
    US·GCAL, GIA, IGI
    Terms not yet verified
  28. 38

    SJ Gems

    1,064 in stock
    ZA·GIA, IGI
    Terms not yet verified
  29. 39Blue Nile869 in stock
    United States·Founded 1999·GCAL, GIA, IGI·Ships to Hong Kong
    Terms not yet verified
    Visit Blue Nile
  33. 43

    Keyzar

    632 in stock
    US·GIA, IGI
    Terms not yet verified
  35. 45RockHer511 in stock
    United States·Founded 2016·GIA, IGI·Ships to Hong Kong
    Terms not yet verified
    Visit RockHer
  36. 46

    Reeds

    467 in stock
    US·GCAL, IGI
    Terms not yet verified
  40. 50Allurez271 in stock
    United States·Founded 2010·IGI·Ships to Hong Kong
    Terms not yet verified
    Visit Allurez
  42. 52Jared219 in stock
    United States·Founded 1993·GCAL, GIA, IGI
    Terms not yet verified
    Visit Jared
  44. 54Zales208 in stock
    United States·Founded 1924·GCAL, GIA, IGI
    Terms not yet verified
    Visit Zales
  45. 55

    Liori Diamonds

    158 in stock
    US·IGI
    Terms not yet verified
  49. 59

    USA Jewels

    85 in stock
    US·IGI
    Terms not yet verified
  52. 62ZCOVA51 in stock
    Malaysia·Founded 2015·IGI·Ships to Hong Kong
    Terms not yet verified
    Visit ZCOVA
  54. 6425karats33 in stock
    United States·Founded 2008·IGI·60-day returns·Ships to Hong Kong
    Terms read on the retailer’s own site, June 15, 2026
    Visit 25karats
  56. 66

    Washington Diamond

    8 in stock
    US·GIA
    Terms not yet verified
  59. 69

    Laura Preshong

    3 in stock
    US·GCAL
    Terms not yet verified
  60. 70VRAI3 in stock
    United States·Founded 2014
    Terms not yet verified
    Visit VRAI
  61. 71

    Whiteflash

    3 in stock
    US·IGI
    Terms not yet verified
  62. 72

    Diamond Culture

    2 in stock
    HK·IGI·Ships to Hong Kong
    Terms not yet verified

Stock counts reflect current listings. Founded and shipping details come from public sources. Return terms are our summary of each retailer's own policy page, dated per retailer above. Retailers change their terms, so check the retailer's own returns and shipping pages before you buy.

34 of the 61 retailers with shipping details ship to Hong Kong. 27 do not. 14 retailers have not published any shipping details.

Narrow it down by grade

Each combination below has its own page with the retailers that stock exactly that grade.

D VVS230,009 · 59rE VVS224,450 · 59rD VVS120,473 · 58rE VS117,244 · 58rD VS116,140 · 58rD IF14,619 · 53rD FL13,883 · 42rE VVS111,363 · 57rF VVS27,389 · 57rE VS25,349 · 49rF VS15,206 · 55rD VS23,735 · 49rE IF2,769 · 52rG VS12,168 · 41rG VVS22,098 · 44rF VVS12,052 · 51rF VS21,416 · 43rG VS2731 · 33rH VS1710 · 34rE FL449 · 39rE SI1390 · 29rH VVS2382 · 39rD SI1235 · 26rF SI1233 · 27rH VS2202 · 26rG VVS1192 · 38rF IF186 · 39rI VS1157 · 18rG SI187 · 23rH SI186 · 19rI VS268 · 18rH VVS140 · 20rE SI230 · 22rI SI127 · 14rI VVS225 · 17rF FL24 · 20rK VVS222 · 14rG SI218 · 8rD SI217 · 11rI VVS116 · 16rF SI215 · 13r

Stones at this spec now

Current examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

What this spec means

  • Marquise: a pointed-end ellipse that faces up large for its carat.
  • Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.

Frequently asked

How much do retailers differ on the same diamond?

As of November 7, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 21% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Can I see retailers for one exact grade?

Yes. Each of the 41 colour and clarity combinations above has its own page listing the retailers that stock exactly that grade.

Does Carat Hunter earn commission from these retailers?

No. We earn zero affiliate revenue from any retailer in our index.

How fresh is this data?

Listings refresh as we re-read each retailer, most of them every day. Static facts about each retailer refresh weekly.

How is the retailer ranking calculated?

Strictly by active inventory count for this exact spec. The retailer carrying the most stones at the spec ranks first. There is no editorial input, weighting or affiliate consideration.

Why do you not show per-retailer prices on this page?

Prices vary per stone, not per store. Click through to any matched diamond and you will see every retailer's price on the exact same physical stone, which is the meaningful comparison.